If you are from the Bay area, please come join the SFBAAPS plant club, the oldest local plant club in the nation!
We have plant swaps, and many run off with lots of free plants, or algae eating shrimp, or other goodies for free.
We have ferts in bulk for basically free to cost, name brand traces(TMGm, Flourish etc), KNO3, KH2PO4, K2SO4, CaCl2, etc, we offer CO2 tanks 10-15-20lbs for 50$ filled and a fun group full of friendly folks. 30% discount for the BarrReport year rate.
I also offer open house host a full analysis of their water parameters with a spectrophotometer, highly accurate(NO3 to 0.01ppm!!), roughly 35 parameters are tested, DO meter among other testing goodies.
You will learn how to grow plants very well quickly and make great new plant friends.